/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtPositioning module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
***************************************************************************/

#ifndef QDECLARATIVEPOSITION_H
#define QDECLARATIVEPOSITION_H

#include <QtCore>
#include <QDateTime>
#include <qgeopositioninfosource.h>
#include <qgeopositioninfo.h>
#include <QtQml/qqml.h>

// Define this to get qDebug messages
// #define QDECLARATIVE_POSITION_DEBUG

#ifdef QDECLARATIVE_POSITION_DEBUG
#include <QDebug>
#endif

QT_BEGIN_NAMESPACE

class QDeclarativePosition : public QObject
{
    Q_OBJECT
    Q_PROPERTY(bool latitudeValid READ isLatitudeValid NOTIFY latitudeValidChanged)
    Q_PROPERTY(bool longitudeValid READ isLongitudeValid NOTIFY longitudeValidChanged)
    Q_PROPERTY(bool altitudeValid READ isAltitudeValid NOTIFY altitudeValidChanged)
    Q_PROPERTY(QGeoCoordinate coordinate READ coordinate NOTIFY coordinateChanged)
    Q_PROPERTY(QDateTime timestamp READ timestamp NOTIFY timestampChanged)
    Q_PROPERTY(double speed READ speed NOTIFY speedChanged)
    Q_PROPERTY(bool speedValid READ isSpeedValid NOTIFY speedValidChanged)
    Q_PROPERTY(qreal horizontalAccuracy READ horizontalAccuracy WRITE setHorizontalAccuracy NOTIFY horizontalAccuracyChanged)
    Q_PROPERTY(qreal verticalAccuracy READ verticalAccuracy WRITE setVerticalAccuracy NOTIFY verticalAccuracyChanged)
    Q_PROPERTY(bool horizontalAccuracyValid READ isHorizontalAccuracyValid NOTIFY horizontalAccuracyValidChanged)
    Q_PROPERTY(bool verticalAccuracyValid READ isVerticalAccuracyValid NOTIFY verticalAccuracyValidChanged)

public:

    explicit QDeclarativePosition(QObject *parent = 0);
    ~QDeclarativePosition();

    bool isLatitudeValid() const;
    bool isLongitudeValid() const;
    bool isAltitudeValid() const;
    QDateTime timestamp() const;
    void setTimestamp(const QDateTime &timestamp);
    double speed() const;
    void setSpeed(double speed);
    bool isSpeedValid() const;
    QGeoCoordinate coordinate();
    bool isHorizontalAccuracyValid() const;
    qreal horizontalAccuracy() const;
    void setHorizontalAccuracy(qreal horizontalAccuracy);
    bool isVerticalAccuracyValid() const;
    qreal verticalAccuracy() const;
    void setVerticalAccuracy(qreal verticalAccuracy);

    // C++
    void setCoordinate(const QGeoCoordinate &coordinate);
    void invalidate();

Q_SIGNALS:
    void latitudeValidChanged();
    void longitudeValidChanged();
    void altitudeValidChanged();
    void timestampChanged();
    void speedChanged();
    void speedValidChanged();
    void coordinateChanged();
    void horizontalAccuracyChanged();
    void horizontalAccuracyValidChanged();
    void verticalAccuracyChanged();
    void verticalAccuracyValidChanged();

private:
    bool m_latitudeValid;
    bool m_longitudeValid;
    bool m_altitudeValid;
    QDateTime m_timestamp;
    double m_speed;
    bool m_speedValid;
    bool m_horizontalAccuracyValid;
    bool m_verticalAccuracyValid;
    qreal m_horizontalAccuracy;
    qreal m_verticalAccuracy;
    QGeoCoordinate m_coordinate;
};

QT_END_NAMESPACE

QML_DECLARE_TYPE(QDeclarativePosition)

#endif
